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Adafruit Stereo 2.1W Class D Audio Amplifier - TPA2012

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Price
$10.99
Savings
-$1.28
Manufacturer
Adafruit
Prime Eligible
Not Eligible
Weight
0.044 Pounds
Length
3 Inches
Height
1 Inches
Width
2 Inches
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Features
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  • Output Power: 2.1W at 4Ω, 10% THD, 1.4W at 8Ω, 10% THD, with 5V Supply
  • PSRR: 77 dB typ @ 217 Hz with 6 dB gain
  • Designed for use without an output filter, when wires are kept at under 2"-4" long
  • Four pin-selectable gains: 6dB, 12dB, 18dB and 24dB. Select with the onboard switches or by setting the G0 and G1 breakout pins
  • Low current draw: typ 6mA quiescent and 1.5uA in shutdown mode
Description
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This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.1W channels into 4 ohm impedance speakers (@ 10 pct THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, it's incredibly efficient (89 pct efficient when driving an 8 ohm speaker at 1.5 Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. This board is a welcome upgrade to basic "LM386" amps. The inputs of the amplifier go through 1.0uF capac...
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Category: Computer Internal Components
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